From 4523fb567e5b6ac115537411db4c82759f8f2cd6 Mon Sep 17 00:00:00 2001
From: Alexander Shpilkin <ashpilkin@gmail.com>
Date: Wed, 18 May 2022 14:47:10 +0300
Subject: [PATCH] libunarr: fix paths in pkg-config file

---
 pkgs/development/libraries/libunarr/default.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/development/libraries/libunarr/default.nix b/pkgs/development/libraries/libunarr/default.nix
index 523ce82ce22d..94269e85c66d 100644
--- a/pkgs/development/libraries/libunarr/default.nix
+++ b/pkgs/development/libraries/libunarr/default.nix
@@ -11,6 +11,13 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
+  # https://github.com/selmf/unarr/issues/23
+  postPatch = ''
+    substituteInPlace pkg-config.pc.cmake \
+      --replace '$'{prefix}/@CMAKE_INSTALL_LIBDIR@ @CMAKE_INSTALL_FULL_LIBDIR@ \
+      --replace '$'{prefix}/@CMAKE_INSTALL_INCLUDEDIR@ @CMAKE_INSTALL_FULL_INCLUDEDIR@
+  '';
+
   meta = with lib; {
     homepage = "https://github.com/selmf/unarr";
     description = "A lightweight decompression library with support for rar, tar and zip archives";